fluctuate

fairyland

illusion

dream ⇒ 他幻想成为宇航员。 Tā huànxiǎng chéngwéi yǔhángyuán. → He dreamed of becoming an astronaut.

vanish into thin air

( 幻灯片 ) slide

illusion

illusion ⇒ 她仿佛来到了梦幻世界。 Tā fǎngfú láidàole mènghuàn shìjiè. → She seemed to have entered a dreamworld.

science fiction

illusory